Home / 2,346.04-3,519.05-1,112.78

Finding the Fourth Proportional to 2,346.04, 3,519.05 and 1,112.78

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Solution

The fourth proportional to 2,346.04, 3,519.05 and 1,112.78 is: 1,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.04 : 3,519.05 = 1,112.78 : x
  2. Step 2: Convert to fraction form
    2,346.04/3,519.05 = 1,112.78/x
  3. Step 3: Cross multiply
    2,346.04x = 3,519.05 × 1,112.78
  4. Step 4: Simplify right side
    2,346.04x = 3,915,913.65
  5. Step 5: Solve for x
    x = 3,915,913.65/2,346.04
  6. Step 6: Final answer
    x = 1,669.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.